A study conducted by 3rd Year Statistics students if the result of the Pre-Test has correlation with the IQ Test. Below shows a sample of IQ scores of 30 selected students. 88 75 120 63 103 65 85 85 100 86 87 95 45 89 111 89 95 69 123 121 75 95 93 54 140 55 92 79 102 132 a. Create a Grouped Frequency Distribution (with all the elements). b. What is the frequency of the 2nd class interval? c. What is the mean of the grouped data? d. What is the cell width? e. What are class boundaries of the 2nd to the last class interval? f. What is the UCL of the last class interval?
A study conducted by 3rd Year Statistics students if the result of the Pre-Test has correlation with the IQ Test. Below shows a sample of IQ scores of 30 selected students. 88 75 120 63 103 65 85 85 100 86 87 95 45 89 111 89 95 69 123 121 75 95 93 54 140 55 92 79 102 132 a. Create a Grouped Frequency Distribution (with all the elements). b. What is the frequency of the 2nd class interval? c. What is the mean of the grouped data? d. What is the cell width? e. What are class boundaries of the 2nd to the last class interval? f. What is the UCL of the last class interval?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4AGP
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Transcribed Image Text:A study conducted by 3rd Year Statistics students if the result of the Pre-Test has correlation with the IQ Test. Below shows a sample of IQ
scores of 30 selected students.
88
75
120
63
103
65
85
85
100
86
87
95
45
89
111
89
95
69
123
121
75
95
93
54
140
55
92
79
102
132
a. Create a Grouped Frequency Distribution (with all the elements).
b. What is the frequency of the 2nd class interval?
c. What is the mean of the grouped data?
d. What is the cell width?
e. What are class boundaries of the 2nd to the last class interval?
f. What is the UCL of the last class interval?
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